Contacts Permissions for Microsoft Graph

Application

Permission	ID	Purpose	Description
Contacts.Read	089fe4d0-434a-44c5-8827-41ba8a0b17f5	Read contacts in all mailboxes	Allows the app to read all contacts in all mailboxes without a signed-in user.
Contacts.ReadWrite	6918b873-d17a-4dc1-b314-35f528134491	Read and write contacts in all mailboxes	Allows the app to create, read, update, and delete all contacts in all mailboxes without a signed-in user.

Delegated

Permission	ID	Purpose	Description
Contacts.Read	ff74d97f-43af-4b68-9f2a-b77ee6968c5d	Read user contacts	Allows the app to read user contacts.
Contacts.Read.Shared	242b9d9e-ed24-4d09-9a52-f43769beb9d4	Read user and shared contacts	Allows the app to read contacts a user has permissions to access, including their own and shared contacts.
Contacts.ReadWrite	d56682ec-c09e-4743-aaf4-1a3aac4caa21	Have full access to user contacts	Allows the app to create, read, update, and delete user contacts.
Contacts.ReadWrite.Shared	afb6c84b-06be-49af-80bb-8f3f77004eab	Read and write user and shared contacts	Allows the app to create, read, update, and delete contacts a user has permissions to, including their own and shared contacts.